2015320902 has 24 divisors (see below), whose sum is σ = 4688706456. Its totient is φ = 575805888.

The previous prime is 2015320897. The next prime is 2015320949. The reversal of 2015320902 is 2090235102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3427123 + ... + 3427710.

It is an arithmetic number, because the mean of its divisors is an integer number (195362769).

Almost surely, 2^2015320902 is an apocalyptic number.

2015320902 is an abundant number, since it is smaller than the sum of its proper divisors (2673385554).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2015320902 is a wasteful number, since it uses less digits than its factorization.

2015320902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6854852 (or 6854845 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 2015320902 is about 44892.3256470413. The cubic root of 2015320902 is about 1263.1300574646.

The spelling of 2015320902 in words is "two billion, fifteen million, three hundred twenty thousand, nine hundred two".